#include"my_add.h"
#include"my_sub.h"

int main()
{
    int a = 4, b = 3;
    printf("%d + %d = %d\n", a, b, my_add(a, b));
    printf("%d - %d = %d\n", a, b , my_sub(a, b));

    return 0;
}
